Vehicle rack cross bar



FIG. 1 is a perspective view of a vehicle rack cross bar;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a left elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view of thereof positioned adjacent to a vehicle roof rack.

The broken lines depict unclaimed environmental subject matter and do not form any part of the claimed design. 

CLAIM The ornamental design for a vehicle rack cross bar, as shown and described. 